function addFavor(url,title){
	if (document.all){
       window.external.addFavorite(url,title);
	}else if (window.sidebar){
       window.sidebar.addPanel(title, url, "");
	}
}
function setHome(url){
	if (document.all){
		document.body.style.behavior='url(#default#homepage)';
		document.body.setHomePage(url);
	}else if (window.sidebar){
		if(window.netscape){
			try{
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
			}catch (e){
				alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true" );
			}
		}
		var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
		prefs.setCharPref('browser.startup.homepage',url);
	}
}